Answer:
4
Explanation:
I dont know 6x 6 to make it to me co leader of my life in a world where is my life and my clans tagged in my own app and 7/2 years and I
Answer:
1.) Chronic - lasting for a long time
2.) Outlet - someone or something that can be a temporary distraction from a problem
3.) Launching a Child - a stressful event that may take time for family members to adjust to
4.) Stress Pileup - when several stressful events occur at once or over a long period of time
Answer:
1. spontaneously
2. resting potential
3. action potentials
4. pacemaker potentials
5. K+
6. Na+
7. into
8. Ca+
Explanation:
Pacemaker cells (also known as sinoatrial node cells) are cells that generate rhythmic impulses and set the pace for blood pumping in the heart. These cells have the ability to rhythmically depolarize and initiate action potentials. In pacemaker cells, Ca2+ and Na+ levels are higher in the extracellular environment, while K+ concentration is higher intracellularly. The pacemaker action potentials have three phases: 1-depolarization, where membrane potential reaches -40 mV and voltage-gated Ca2+ channels open, 2-repolarization, where voltage-gated Ca2+ channels close and voltage-gated K+ channels open, and finally 3-gradual depolarization, which is caused by the slow influx of Na+ ions.
The right answer is True.
Researchers now estimate that simply measuring the resting pulse can be used to assess the risk of sudden death. The lower it is, the lower the risk. Studies showed that those whose heart rate increased over the years had a higher mortality in the years that followed (due to the risk for heart attack) than those in which she stayed. stable. Those who, at the same time, decreased their heart rate, had lower mortality.
